feat: add bus-only travel mailing lists

src/Form/Admin/TravelMailingLookupType.php

@@ -6,13 +6,14 @@ namespace App\Form\Admin;
 
 use App\Form\Model\TravelMailingLookupDto;
 use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
 use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 
 /**
  * Submits as GET with an empty block prefix, so a lookup is the plain URL `?travelCode=…`
- * and can be bookmarked or shared.
+ * (plus `&busOnly=1`) and can be bookmarked or shared.
  *
  * @extends AbstractType<TravelMailingLookupDto>
  */
@@ -26,6 +27,10 @@ class TravelMailingLookupType extends AbstractType
                 'placeholder' => 'z. B. LPJMP281126',
             ],
         ]);
+        $builder->add('busOnly', CheckboxType::class, [
+            'label' => 'nur '.TravelMailingLookupDto::BUS_LEG->label(),
+            'required' => false,
+        ]);
     }
 
     public function configureOptions(OptionsResolver $resolver): void

src/Form/Model/TravelMailingLookupDto.php

@@ -4,10 +4,23 @@ declare(strict_types=1);
 
 namespace App\Form\Model;
 
+use App\Enum\BusLeg;
 use Symfony\Component\Validator\Constraints as Assert;
 
 class TravelMailingLookupDto
 {
+    /**
+     * The leg "bus passengers only" stands for: whoever takes the bus out, whatever their return.
+     */
+    public const BusLeg BUS_LEG = BusLeg::Outbound;
+
     #[Assert\NotBlank(message: 'Bitte einen Reisecode angeben.')]
     public ?string $travelCode = null;
+
+    public bool $busOnly = false;
+
+    public function getBusLeg(): ?BusLeg
+    {
+        return $this->busOnly ? self::BUS_LEG : null;
+    }
 }